Fix right spaces causing fallback to alt text

Author: Lynesth

src/MenuItem/AsciiArtItem.php

@@ -44,7 +44,7 @@ public function __construct(string $text, string $position = self::POSITION_CENT
         $this->setText($text);
         $this->position  = $position;
         $this->alternateText = $alt;
-        $this->artLength = max(array_map('mb_strlen', explode("\n", $text)));
+        $this->calculateArtLength();
     }
 
     /**
@@ -111,6 +111,14 @@ public function setText(string $text) : void
         }, explode("\n", $text)));
     }
 
+    /**
+     * Calculate the length of the art
+     */
+    private function calculateArtLength() : void
+    {
+        $this->artLength = max(array_map('mb_strlen', explode("\n", $this->text)));
+    }
+
     /**
      * Return the length of the art
      */